#include <iostream>

class Solution
{
public:
    int main()
    {
        double weight, height;
        std::cin >> weight >> height;
        double BMI = weight / height / height;
        if (BMI < 18.5)
        {
            std::cout << "Underweight";
        }
        else if (BMI < 24)
        {
            std::cout << "Normal";
        }
        else
        {
            std::cout << BMI << "\nOverweight";
        }
        return 0;
    }
};

#ifndef __LOCAL_TEST__
int main()
{
    return Solution().main();
}
#endif